From 8f085a376264b32ccee02085256d96a8dc5fc3f4 Mon Sep 17 00:00:00 2001
From: David Minton <daminton@purdue.edu>
Date: Tue, 19 Dec 2023 17:40:21 -0500
Subject: [PATCH] Added missing graphviz package install

---
 .readthedocs.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index b345f7875..5cfd4b94c 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -15,6 +15,8 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.11"
+  apt_packages:
+    - graphviz   
   jobs:
     pre_build:
       - ford fortran_docs.md